China Standard CHINAMFG Js3500 Series Buffer Transmission Efficiency Half Demount Flexible Grid Spring Couplings

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type	Norminal Torque Nm	Permit Speed  r/min	Hole d1,d2		D	BE		A	F	L	Clearance K	Grease Kg	Without bore Weight Kg
			max	min		min	max
JS3501	45	3600	28	14	98	45	100	40	40	52	3	0.03	2.9
JS3502	125	3600	35	14	110	45	110	50	40	52	3	0.03	3.9
JS3503	224	3600	42	14	120	45	110	55	41	52	3	0.06	5.9
JS3504	400	3600	48	14	138	55	110	65	45	62	3	0.06	9
JS3505	630	3600	55	19	155	65	165	75	52	62	3	0.09	13.5
JS3506	900	3600	65	19	170	65	165	90	55	62	3	0.09	17.5
JS3507	1800	3500	75	28	195	95	205	105	66	112	4	0.17	28.5
JS3508	3150	3500	85	28	212	95	205	125	70	112	4	0.26	42.5
JS3509	5600	2450	100	42	248	105	205	140		142	6	0.43	70.5
JS3510	8000	2300	110	42	274	105	205	160		142	6	0.51	95
JS3511	12500	2000	125	60	324	125	205	180		142	6	0.74	138
JS3512	18000	1800	150	70	368	130	205	220		172	6	0.91	187
JS3513	25000	1600	180	70	400	135	205	255		172	6	1.14	257
JS3514	35500	1500	200	110	458	175	190	270		212	6	1.9	340
JS3515	50000	1300	220	120	500	180	205	305		212	6	2.8	430
JS3516	63000	1200	250	130	565	195	225	360		252	6	3.5	636
JS3517	90000	1100	275		610	200	250	395		252	6	3.7	852
JS3518	125000	1000	305		675	210	270	440		302	6	4.4	1118
JS3519	180000	900	330		755	225	290	500		302	6	5.6	1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery  Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling	LM
Chain Coupling	GL
Jaw Coupling	LT
Grid Coupling	JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

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Are There Specific Safety Precautions to Consider When Working with Motor Couplings?

Yes, there are several safety precautions that should be taken into consideration when working with motor couplings:

1. Lockout-Tagout Procedures: Before performing any maintenance or installation work on motor couplings, it is essential to follow proper lockout-tagout procedures. This involves disconnecting the power source and placing a lock and tag on the disconnect switch to prevent accidental energization of the equipment.
2. Proper Personal Protective Equipment (PPE): When working with motor couplings, personnel should wear appropriate personal protective equipment, including safety glasses, gloves, and other necessary gear to protect against potential hazards and injuries.
3. Securely Support Equipment: Ensure that all equipment connected to the motor coupling is securely supported to prevent unexpected movement or collapse during maintenance or operation.
4. Avoid Excessive Misalignment: While motor couplings can compensate for misalignment to some extent, it is crucial to avoid excessive misalignment beyond the coupling’s specified limits to prevent premature wear and potential failure.
5. Follow Manufacturer’s Instructions: Always adhere to the manufacturer’s guidelines, recommendations, and installation procedures when working with motor couplings. Improper installation or usage can lead to performance issues and safety hazards.
6. Regular Inspection: Conduct regular inspections of motor couplings to identify any signs of wear, damage, or misalignment. Address any issues promptly to maintain safe and reliable operation.
7. Stay Informed: Ensure that personnel working with motor couplings are properly trained and informed about potential risks and safety procedures.
8. Safe Handling of Equipment: Use appropriate lifting and handling equipment when moving or installing motor couplings to prevent injuries and damage to the equipment.
9. Environmental Considerations: Consider the environmental conditions in which the motor coupling will operate and choose materials and coatings that can withstand the specific environment to ensure safe and reliable performance.

By following these safety precautions, individuals can mitigate risks associated with working with motor couplings and contribute to a safe working environment for all personnel involved in the installation, maintenance, and operation of the equipment.

How to identify signs of wear or failure in a motor coupling?

Identifying signs of wear or failure in a motor coupling is essential for maintaining the efficiency and reliability of a mechanical system. Here are some common indicators to look for:

1. Visual Inspection:

Perform a visual inspection of the motor coupling regularly. Look for any of the following signs:

• Cracks or deformations in the coupling body
• Corrosion or rust on the coupling surface
• Visible signs of misalignment between the shafts
• Excessive wear on the coupling teeth or flanges

2. Abnormal Vibrations:

Unusual vibrations or shaking during motor operation can indicate an issue with the coupling. Excessive play due to wear or misalignment can lead to vibrations that affect the overall system’s performance.

3. Noises:

Listen for any unusual noises, such as clunking, clicking, or rattling sounds during motor operation. These noises could be an indication of loose or damaged coupling components.

4. Misalignment:

Check for shaft misalignment between the motor and driven load. Misalignment can lead to uneven distribution of forces, causing premature wear and failure of the coupling.

5. Increased Friction and Heat:

Feel for any excessive heat generated during motor operation. Increased friction due to misalignment or wear can cause the coupling to overheat.

6. Reduced Performance:

If you notice a decrease in the motor’s performance or efficiency, it could be a sign of coupling wear or failure. Reduced torque transmission or increased power losses may be evident.

7. Shaft Movement:

Check for any axial movement in the motor and driven load shafts. Axial play can indicate a worn or damaged coupling that needs attention.

If you observe any of these signs, it is crucial to address the issue promptly. Regular maintenance, including lubrication and alignment checks, can help prevent coupling failures and extend the coupling’s lifespan. If the coupling shows significant signs of wear or damage, consider replacing it with a new one to ensure optimal performance and avoid costly breakdowns in the future.

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How to Properly Install a Grid Coupling for Reliable Performance

Proper installation of a grid coupling is crucial for ensuring reliable performance and maximizing its lifespan. Here are the steps to install a grid coupling correctly:

1. Preparation: Before installation, ensure that the shafts and coupling hubs are clean and free from any debris or contaminants. Inspect the grid coupling and its components for any signs of damage or wear.
2. Align the Shafts: Make sure that the shafts to be connected are properly aligned. Grid couplings can accommodate some degree of misalignment, but it is essential to minimize it for optimal performance.
3. Assemble the Grid: Insert the serrated grid element between the two coupling hubs. Ensure that the grid is centered and aligned with the hubs’ teeth.
4. Tighten the Fasteners: Use the appropriate torque wrench to tighten the fasteners that secure the coupling hubs together. Follow the manufacturer’s recommended torque values to avoid over-tightening or under-tightening.
5. Check Runout: After installation, check the coupling’s runout by rotating the connected shafts. Excessive runout indicates a potential misalignment or installation issue.
6. Lubrication: Some grid couplings require lubrication for optimal performance. Refer to the manufacturer’s guidelines and apply the recommended lubricant to the coupling components.
7. Check for Smooth Operation: Start the machinery and observe the coupling’s operation. Listen for any unusual noises or vibrations that may indicate a problem. If any issues are detected, stop the machinery and inspect the coupling again.
8. Regular Maintenance: Schedule regular maintenance checks to ensure the coupling’s ongoing reliability. Inspect for signs of wear, misalignment, or damage, and replace any worn or damaged components as needed.

It is essential to follow the manufacturer’s installation guidelines and recommendations specific to the grid coupling model being used. Proper installation and regular maintenance will ensure the grid coupling performs reliably and efficiently, providing effective power transmission in industrial machinery and equipment.

editor by CX 2024-03-07